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February 2026

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Today

📚
LN 6: The Integers, The Booleans' Infinite In-laws
In this lecture we use the integer type to investigate the larger, hidden world of operators on types. We cover associativity, commutativity, identity, and closure for the integers.

Upcoming

📝
HW 1: Think Class! Think!
In 3 days
11:59 PM
In this homework you will get practice with logical terminology, evaluating propositions in finite contexts, creating propositional and predicate logic statements, translating natural language into logic, and natural deduction proofs!
📝
HW 2: Counting Sheep
Feb 20
11:59 PM
In this homework you will get practice with the many topics covered in the notes for this standard. This includes the Booleans, the Integers, and the many operations that can be performed on them!

CMSI 2820

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LN 13: Free Range Variables

Standard: Functions

In this lecture we continue our work with Lambdas by investigating how variables interact with functions. We discover being bound and free, how to substitute variables, and how to reduce functions formally using proper substitution.

Lecture Date

📅 February 26, 2026

Standard

Functions

Topics Covered

Coming soon

📹 Lecture Recordings

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LN 12 LN 14

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